On Tue, Oct 14, 2003 at 05:19:06AM -0400, Anthony DeRobertis wrote: > On Tue, 2003-10-14 at 04:45, Edmund GRIMLEY EVANS wrote: > >You seem to be saying that A and C are DFSG-free, but B isn't. So > >something released with license A is free, but software dual-licensed > >with A and B is non-free. I seem to be seeing or imagining some kind > >of paradox here ... > > Given: > A := BSD to all > B := BSD to few, GPL rest > C := GPL to all > > A => free > C => free > > Now, "Dual licensed under A and B" means "A OR B", so we can conclude: > A OR B => free > C OR B => free > > However, without further "givens", we can logically conclude *nothing* > about B. > > I think the apparent paradox is coming from confusing "dual license" to > mean "AND" instead of "OR". Thanks for expressing this so clearly. -- G. Branden Robinson | Debian GNU/Linux | Yeah, that's what Jesus would do. branden@debian.org | Jesus would bomb Afghanistan. Yeah. http://people.debian.org/~branden/ |
Attachment:
signature.asc
Description: Digital signature